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US 10,040,694 B2Granted
Precipitated calcium carbonate particles and use thereof
AssigneeImerys
InventorsAlexandra Jakob, Christophe Guiton, Jean-Luc Rico
Life of this patent
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Abstract
Use, as an opacifier, of precipitated calcium carbonate particles at least partially in the form of nano fibers or nanochain like agglomerates constituted by at least two interconnected primary particles.
Claims14
An opacifier comprising
- precipitated calcium carbonate particles present in the form of nanofibers or nanochain like agglomerates,
- wherein the nanofibers or nanochain like agglomerates are at least partially combined in the form of microshell like aggregates and are constituted by at least two interconnected primary particles and visible at least on the inner part of the microshell.
Dependencies are inferred from the claim text.